Length of a rectangular field is 100m. If it's perimeter is 300m , what is its breadth?
length=100 m
Breadth=x
Perimeter=300m
perimeter of a rectangle=2(l+b)
=300 =2(100+x)
=300 =200+2x
=300-200=2x
=100=2x
=100/2=x
=50=x
Therefore breadth=50 m
Breadth=x
Perimeter=300m
perimeter of a rectangle=2(l+b)
=300 =2(100+x)
=300 =200+2x
=300-200=2x
=100=2x
=100/2=x
=50=x
Therefore breadth=50 m